Gas generator and burner for hydrocarbon-oils.



H. A. JOHNSON.

GAS GENERATOR AND BURNER FOR HYDROGARBON OILS.

APPLICATION FILED MAY 12,1913. O91 434 Patented Mar. 24, 191

2 SHEETS-SHEET 1.

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H. A. JOHNSON.

GAS GENERATOR AND BURNER FOR HYDROCARBON OILS.

INVENTOR 2 SHEETS-SHEET 2.

Patented Mar. 24, 1914.

APPLICATION FILED MAY 12,1913.

UN STATES PATENT OFFECE,

HARVEY A. JOHNSON, OF GREELEY, COLORADO, ASSIGNOR 0F ONE-THIRD 'I'O HERBERT F. BONNELL AND ONE-THIRD COLORADO.

TO ROBERT E. l/VINBOURN, BOTH OF GREELEY,

GAS GENERATOR'AND BURNER FOR HYDROCARBON-OILS.

Specification of Letters Patent. Application filed May 12, 1913.

Patented Mar. 2st, 1914. Serial No. 767,151.

To aZZ 10720222 '52? may concern:

Be it known that 1, Enemy A. JOHNSON, a citizen of the United States, residing at Greeley. in the county of lVeld and State of Colorado, have invented certain new and useful Improvements in Gas Generators and Burners for Hydrocarbon-Oils; and I do hereby declare the following to be a full, clearJand eXa ct description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to improvements in gas generators and burners for hydrocarbon oils, and the primary object of the invention is to provide such a generator and burner that is not only durable and efficient in action, but which is also simple in con struction and operation, inexpensive to manufacture, and which is adapted to be readily assembled within the fire-box of an ordinary range or kitchen stove or furnace and connected with a suitable oil supply, which may operate either by pressure or gravity.

Another ov ject of the invention is to provide such a generator and burner in which the fuel oil is not only vaporized, but is intensely superheated and] delivered to the burner in a highly volatilized state, the feed being so regulated that the consumption of oil in comparison to the amount of heat gen erated i reduced to a minimum.

Another object of the invention is to provide such a generator and burner, the parts of which may be readily disassembled for cleaning same out, should it become necessary.

With these and other objects in view, the invention consists of the novel features of construction and in the combination and arrangement of parts, as will be more fully described in the following specification and succinctly pointed out in the appended claims.

In the accomplishment of these ends, the invention generically consists of a plurality of Vaporizers, preferably two in number, provided with a central vertical opening therethrough, below each of which openings is arranged a burner, discharging its flame upwardly therethrough in combination with superheating conduits, each superheating conduit leading from one of said Vaporizers to the burner of another of the vaporizer-s, each of said conduits being provided with a hydrocarbon oil supply, whereby the liquid oil is first conducted in proximity to one of said vaporizer-s, thence passes through one of said super-heating conduits to another of said vaporizers, and thence is conducted around second vaporizer and delivered to the burner in a highly volatilized state. It will be obvious, however, that various minor changes might be made in the construction and arrangement of parts without departing from the spirit of the invention and without sacrificing any of the vital principles thereof.

lVhile the invention is not limited, therefore, to the exact details, as shown and de scribed, still, for the purpose of a full disclosure, reference is had to the accompanying drawing, illustrating a practical embodiment of the invention, in which drawings like characters designate the same parts in the several views, and in which:

Figure l is a view looking toward the lcfthand end of an ordinary range or kitchen stove, the view being partially in vertical section, showing the interior arrangement of the cast generators and burners; Fig. 2 is a horizontal sectional plan view, taken on a plane along the line 22 of Fig. 1; Fig. 3 is an enlarged detail view of a pair of burn ers and Vaporizers, the super-heating conduits being broken away centrally; Fig. d is a sectional plan view of the righthand vaporizer, taken along the plane of the line H of Fig. 3; Fig. 5 1s a vertical sectional view, taken along the plane of the line 55 of Fig. 4; and Fig. 6 is a bottom plan view of a portion of the grate illustrating the means for attaching the plate 7.

1 designates the front, 2 the rear, and 3 the top walls kitchen stove, the top wall being provided with the usual lids l, above the fire-box, containing the grate 5, the broken away portion 6 in Fig. 2 designating substantially the position of the oven arranged alongside the fire-box.

My improved generator and burner construction is suitably supported within the fire-box with the Vaporizers disposed i1nmediately below the top of the stove, so that the hot flames and products of combustion of an ordinary range or strike the top of the stove, causing the same to be thoroughly diffused around the top of the fire-box and into intimate contact with the superheating conduits, as hereinafter described.

In mounting the burner and constructions within the fire-box,

ably provide a generator I preferflat base plate or support 7, having means for securing the same to the grate 5. From the drawings (Fig. 1), this securing means is shown to consist oi": a threaded bolt 8 having a T-shaped head 9 comprising a narrow strip or arm of metal, which is adapted to be passed between a pair of the grate bars and turned at right angles thereto, whereupon the nut 10 is screwed home, drawing the plate 7 and the grate 5 securely together. This base plate 7 is also apertured at its ends and provided with sleeves 11, cooperating with set screws 12, for adjust-ably supporting the vertical pipes 13 and 14 within the fire-box. These pipes 13 and 14 may be provided with elbows and fittings for convenience 1n assembling the parts, and constitute the supply pipes for the fuel oil leading from any suitable reservoir 15, whether of the gravity feed or air compression type. The pipes 13 and 14 are also provided with valves 17 and 18 for regulating the amount of oil to be delivered to the burners, and these valves may be arranged at the rear of the stove and may be provided with any suitable means (not shown) for indicating the degree to which they are open.

19 and 20 indicate pair of generators, shown in the drawings as comprising a cylindrical member having an enlarged, substantially central bore 21 extending vertically therethrough, and in the wall of these generators, there is provided a vaporizing conduit 22, in the lower ends of which are threaded the upper ends of the supply pipes 13 and 14, as shown more clearly in Fig. 5. As shown in the drawing, these generators are of cast construction, and, in addition to the vaporizing conduit 22, are further provided with a secondary or burner conduit 23, extending from the top thereof to the bottom and leading to a depending hollow nipple 24. This secondary or burner conduit is preferably of partially spiral contour, to aid in the further volatilizing of the gases prior to their introduction to the burner, as will be hereinafter more fully described. The depending nipples 24 whether threaded int-o the generator castings, or formed integrally therewith, are threaded at their lower ends to receive the elbows 25, the upper ends of each of which are also threaded to receive a burner tip 26 of metal, or other suitable material, provided on its upper surface with three minute orifices 27, disposed below the openings 21 of the generators.

Suitably suspended on the elbows 25, co-

the liquid oil passes operating with the burner tips 26 to form the burners proper, are the usual drip-pans 28, which initially act as flame-pans, serving as a means for holding the priming charge of oil. The upper end of the spiral or burner conduits 23 are disposed a little below the upper ends of the vaporizing conduits 22, and both the conduits communicate with superheating conduits extending from one generator to the burner conduit of another. As shown in the drawings, the upper ends of the spiral conduits 23 and the upper ends of the vaporizing conduits 22 are provided with internally threaded bores 29 and 30. A superheating pipe 31 threads at one end into the bore 30 of the vaporizing conduit of the generator 20, and atits other end threads into the bore 29 of the spiral or burner conduit 23 formed in the opposite generator 19, and similarly a superheating ipe 32 extends from the vaporizing conduit 22 of the generator 19 to the spiral or burner conduit 23 of the generator 20, and the upper ends of the spiral conduits 23, being disposed below the bores 30, the superheating conduits will slightly incline downwardly from the top of the vaporizing con.- duits to the'upper ends of the spiral conduits 23.

In operation, the drip or flame-pans 28 are first saturated with oil and ignited, whereupon the rising flame substantially heats the generators 19 and 20. Describing the passage of the fuel oil in itsliquid and vaporized form through one of the conduits, (which passage is similar in the other) ,upon opening the valve 18 to the desired degree, through the pipe 14 into the vaporizing conduit 22 of the generator 20,where it is partially vaporized,and passes into the superheating conduit 31, inclining downwardly to the upper end of the spiral conduit 23 in the opposite generator 19, thence passing into the burner 25 and through the small openings 27 in the burner 26, emerging in gaseous form, which, upon ignition, discharges an intensified flame through the opening 21 and into contact with the top of the stove, which spreads the hot flame and gases of combustion beneath the top of the stove and around the superheating conduits 31 and 32, and, as the operation continues, the heat around both the generators and the superheating conduits is greatly intensified, causing the vaporized oil to become highly volatile before it is discharged through the burner tip. The slight inclination of the superheating conduits 31 and 32 also provides a means for any of the liquid oil held in suspension to spread over the lower inner surfaces of the superheating conduits, causing the same to become thoroughly vaporized. 7

While I have described the superheating conduits as being formed from pipe, it is obvious that, this is not absolutely essential as by slight changes in construction and with proper connections, these superheating conduits may be formed otherwise than from piping and,

Having thus described a practical embodiment of the invention and its mode of operation, what I claim is.

l. The combination of a plurality of generators, each having a central opening therethrough; a burner mounted below each of said openings and discharging its flames therethrough; means including superheating conduits for conducting vaporized fuel from one generator to the burner of another generator; and a fluid fuel supply for said superheating conduits.

2. The combination of a plurality of generators, each having a central opening therethrough; a burner mounted below each of said openings, and discharging its flames upwardly therethrough; means including superheating conduits for conducting vaporized fuel from one generator to the burner of another generator; and means for supplying said superheating conduits with vaporized fuel, each of said superheating conduits inclining downwardly from its source of fluid fuel supply from one generator toward said other generator.

3. The combination of a pair of generators, each having a central opening therethrough; a burner disposed in alinement with each of said openings and adapted to discharge its flames therethrough; a vaporizing conduit forming a part of each of said generators, and adapted to be heated by said flames; an oil supply for each said vaporizing conduits; and means including superheating conduits leading from the vaporizing conduit of one of said generators toward the burner of said other generator.

4. The combination of a pair of generators, each having a central opening therethrough; a burner for each of said generators disposed in alinement with its central opening; a vaporizing conduit formed in the wall of each said generators adjacent its complementary opening; an oil supply pipe for each of said vaporizing conduits; a pair of superheating conduits connected at one of their ends, respectively, to one of said vaporizing conduits, and slightly inclined downwardly toward the opposite genorator; and secondary conduits connecting said superheating conduits with said burners.

5. The combination of a pair of generators, each having a central opening therethrough; a burner for each of said openings and discharging its flame therethrough; a

vaporizing conduit formed in the wall of each of said generators adjacent its complementary opening and adapted to be heated by the flame passing theret-ln'ough; a secondary conduit formed in the wall of each of said generators and communicating at one end with its complementary burner; a pair of superheating conduits each connected at one of their ends with the vaporizing conduit of one of said generators, and at their other end connected with the secondary conduit of said other generator; and oil inlet pipes leading to said vaporizing conduits.

6. The combination of a. pair of gener-V ators, each having a substantially central opening passing therethrough; a vaporizing conduit formed in the wall of each of said generators and extending longitudinally of its central opening; a burner for each of said openings and discharging its flame therethrough; a secondary spirally disposed conduit formed in the wall of each of said generators, leading at its lower end to its complementary burner and at its upper end terminating at a slight distance below the top of its complementary vaporizing conduit; a pair of superheating conduits each connected at one of their ends with the vaporizing conduit of one of said generators, and at their other end connected with the upper end of the spirally-disposed conduit of said other generator; and oil inlet pipes leading to said vaporizing conduits.

7. The combination of a pair of generators each having a substantiall central vertical opening extending therethrough; a vaporizing conduit formed in the wall of each of said generators and extending 1011- gitudinally of its central opening; an oil inlet pipe leading to each of said vaporizing conduits; a secondary conduit spirally formed in the wall of each of said generators; a depending hollow nipple communicating with the lower end of each of said secondary conduits; a curved elbow threaded in the lower end of each of said nipples and extending beneath its complementary opening, a burner tip for each of said elbows; a fiamepan suspended from each of said elbows; and a superheatin conduit ex tending from said vaporizing conduit of each one of said generators to said spiral conduit of the opposite generator.

In testimony whereof, I aflix my signature, in presence of two Witnesses.

HARVEY A. JOHNSON. lVitnesses:

HERBERT F. BONNELL, J. S. GIUSTA.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C. 

